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Finding the Fourth Proportional to 159,890.40, 239,576.40 and 136,562.40

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Solution

The fourth proportional to 159,890.40, 239,576.40 and 136,562.40 is: 204,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,890.40 : 239,576.40 = 136,562.40 : x
  2. Step 2: Convert to fraction form
    159,890.40/239,576.40 = 136,562.40/x
  3. Step 3: Cross multiply
    159,890.40x = 239,576.40 × 136,562.40
  4. Step 4: Simplify right side
    159,890.40x = 32,717,128,167.36
  5. Step 5: Solve for x
    x = 32,717,128,167.36/159,890.40
  6. Step 6: Final answer
    x = 204,622.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.